Reference Designs
Explore various customer deployment scenarios designed for our Stockholm 4 South site, with its flexible design and preparation for high density and liquid cooling. Here, you’ll find three distinct examples, each highlighting a different approach to effective cooling:
EXAMPLES
Each example provides detailed insights and practical layouts to help you envision the best cooling strategy for your needs.
02
Direct-to-Chip Liquid Cooling 3.6 MW
COOLING CAPACITY
Maximised power with direct-to-chip
liquid cooling, totaling 3.6 MW
liquid cooling, totaling 3.6 MW
RACK DESIGN
64 kW per rack
Total Deployment
3.6 MW net server load (NSD)
Approximately 56 racks
Total Consumption
2.8 MW using liquid cooling
840 kW using air cooling, equivalent to 15 kW per rack
Power Supply Requirements
Each liquid-cooled rack requires
two sets of two 63A 3-phase PDUs
two sets of two 63A 3-phase PDUs
Four 630A busbars above each row of racks
How this deployment could look like in this scenario.
03
Immersion Cooling System 1 MW
COOLING CAPACITY
1 MW total NSL distributed across
multiple immersion cooling systems
multiple immersion cooling systems
SYSTEM DESIGN
Each immersion system consumes
0.5 MW (4 tanks per system)
0.5 MW (4 tanks per system)
1 MW total requires 2 immersion systems
Equivalent to 2.4 kW/U with fully
equipped tanks having 52U each
equipped tanks having 52U each
Power consumption
Air system: 5-10 kW
Remaining hall space can be
used for air cooled systems
used for air cooled systems
Power Supply Requirements
Each immersion-cooled tank requires
two sets of three 63A 3-phase PDUs
two sets of three 63A 3-phase PDUs
Four 400A busbars above each immersion system
How this deployment could look like in this scenario.
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